<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>笑脸图 - SVG</title>
</head>
<body>
    <svg width="200" height="200" viewBox="0 0 200 200">
        <circle cx="100" cy="100" r="80" fill="yellow" stroke="black" stroke-width="2" />
        <circle cx="70" cy="70" r="10" fill="black" />
        <circle cx="130" cy="70" r="10" fill="black" />
        <path d="M60 130 Q100 170 140 130" fill="none" stroke="black" stroke-width="5" />
      </svg>
</body>
</html>